I have a 1994 Ford F-150 XL with a 4.9L I6. I followed my exhaust from the tip forward.... first i ran into this long tin can looking thing, my brother says that thats the muffler... after the long tin can it goes to what i believe is the real muffler.. its a smaller rectangle looking thing and then it goes up into my engine.. I'm not very smart at all when it comes to cars so i would like to know what both things are.... im planning on putting a new muffler in to deepin up the sound.. i just dont know which one is the stock muffler?
Your brother is correct. The item YOU think is the muffler is the Catalytic Converter. Given your stated qualifications, you have NO BUSINESS modifying the exhaust on ANY vehicle.
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